What is the length of side c in a triangle with angles A = 60°, B = 70°, and side a = 5?
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Math Question: In a triangle ABC, if angle A is congruent to angle B and side AC is congruent to side BC, what conclusion can we draw about triangle ABC?
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Math question: What is the derivative of ∫(x^3 + 2x) dx from x = 1 to x = 5?